docs: def render_to_response(self, context):
          """
          When the user makes a search and there is only one result, redirect
          to the result's detail page rather than rendering the list.
          """
          if self.redirect_if_one_result:
              if self.object_list.count() == 1 and self.form.is_bound:
                  return redirect(self.object_list.get().get_absolute_url())
          return super(SearchMixin, self).render_to_response(context)